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\begin{tabular}{lcccc} \hline
 & (1) & (2) & (3) & (4) \\
 & col1 & col2 & col3 & col4 \\
VARIABLES & d\_min\_distance\_dp & d\_min\_distance\_dp & d\_min\_distance\_dp & d\_min\_distance\_dp \\ \hline
 &  &  &  &  \\
d\_firstspeaker & 0.293*** & 0.293*** & 0.293*** & 0.293*** \\
 & (0.002) & (0.002) & (0.002) & (0.002) \\
d\_expert & 0.039*** &  & 0.039*** & 0.039*** \\
 & (0.001) &  & (0.001) & (0.001) \\
reliability &  & 0.030*** &  &  \\
 &  & (0.001) &  &  \\
share\_agents\_first\_pref &  &  & 0.358*** &  \\
 &  &  & (0.006) &  \\
zpreference\_similarity &  &  &  & 0.023*** \\
 &  &  &  & (0.001) \\
Constant & 0.086*** & 0.072*** & 0.059*** & 0.086*** \\
 & (0.000) & (0.000) & (0.000) & (0.000) \\
 &  &  &  &  \\
Observations & 3,825,000 & 3,825,000 & 3,825,000 & 3,825,000 \\
 R-squared & 0.030 & 0.031 & 0.033 & 0.032 \\ \hline
\multicolumn{5}{c}{ Robust standard errors in parentheses} \\
\multicolumn{5}{c}{ *** p$<$0.01, ** p$<$0.05, * p$<$0.1} \\
\end{tabular}
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